📄 cookierservlet.java~8~

📁 这是我们老师的做的,挺不错的,要下载的话可以下载来

💻 JAVA~8~

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package urltest;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class CookierServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        Cookie cookie = null;
        Cookie[] cookies = request.getCookies() ;
        boolean hasCookies = false;
        if(cookies!=null)
            hasCookies =  true;
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<head><title>CookierServlet</title></head>");
        out.println("<body bgcolor=\"#ffffff\">");
        session.getId() ;
        if(hasCookies)
        {
            out.println("<h2>找到的Cookie的名称和值</h2>") ;
            for(int i = 0;i<cookies.length;i++)
            {
                cookie = cookies[i];
                out.println("Cookie  " + (i+1) + "的名称:"+cookie.getName() +"<br>") ;
                out.println("Cookie  " + (i+1) + "的值:" +cookie.getValue()+"<br><br>");
            }
        }
        else
        {
            out.println("<h2>此请求不包括任何Cookie</h2>") ;
            Cookie myCookie = new Cookie("username","ACCP4.0");
            myCookie.setMaxAge(60*1) ;
            response.addCookie(myCookie) ;
        }
        out.println("</body>");
        out.println("</html>");
        out.close();
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}

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